81% (1989)

86% (2010)

81% (2013)

80% (2025)

72% (2015)

73% (2016)

62% (2020)

69% (2013)

74% (2018)

73% (2021)

75% (2016)

74% (2024)

71% (2011)

71% (2017)

72% (2017)

74% (1971)

57% (2023)

59% (2012)

0% (1970)